http://www.luguang.cn email:lge@luguang.cn gf1a - gf1m glass passivated junction silicon surface mount prv : 50 - 1000 volts io : 1.0 ampere features : * glass passivated chip * high current capability * high reliability * low reverse current * low forward voltage drop * pb / rohs free mechanical data : * case : sma molded plastic * epoxy : ul94v-o rate flame retardant * lead : lead formed for surface mount * polarity : color band denotes cathode end * mounting position : any * weight : 0.067 gram maximum ratings and electrical characteristics ratin g at 25 c ambient tem p erature unless otherwise s p ecifi e . sin g le p hase, half wave, 60 hz, resistive or inductive loa d for ca p acitive load, derate current b y 20 % symbol gf1a gf1b gf1d gf1g GF1J gf1k gf1m unit maximum repetitive peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward current ta = 75 c i f(av) 1.0 a peak forward surge current 8.3ms single half sine wave superimposed on rated load (jedec method) maximum forward voltage at i f = 1.0 amp. v f 1.0 v maximum dc reverse current ta = 25 c i r 5.0 a at rated dc blocking voltage ta = 100 c i r(h) 50 a typical reverse recovery time ( note 1 ) trr 2.0 s typical junction capacitance (note2) c j 8p f junction temperature range t j - 65 to + 150 c storage temperature range t stg - 65 to + 150 c notes : (1) reverse recovery test conditions : i f = 0.5 a, i r = 1.0 a, irr = 0.25 a. (2) measured at 1.0 mhz and applied reverse voltage of 4.0 v dc rating i fsm 30 a 2.0 0.2 2.1 0.2 sma (do-214ac) 1.2 0.2 5.0 0.15 4.5 0.15 2.6 0.15 dimensions in millimeter 1.1 0.3 0 . 2 0 . 07
http://www.luguang.cn email:lge@luguang.cn gf1a-gf1m fig.1 - derating curve for output fig.2 - maximum non-repetitive peak rectified current forward surge current 0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100 ambient temperature, ( c) number of cycles at 60hz fig.3 - typical forward characteristics fig.4 - typical reverse characteristics 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 forward voltage , volts 0.8 0.6 0.4 0.2 1.0 10 1. 0 24 0 30 0 18 12 6 1.0 80 0.1 0.01 10 0 .1 100 140 020 40 60 120 percent of rated reverse voltage, (%) peak forward surge current, amperes average forward output current, amperes forward current, amperes reverse current, microamperes ta = 25 c ta = 100 c tj = 25 c ta = 25 c pulse width = 300 s 2% duty cycle 0.01
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